例一、女,52岁,以颈部疼痛,四肢无力7年,加重2月和院,入院前曾在外院拍颈椎片示颈5.6椎体增生,颈椎CT示颈4.5椎间盘突出,按颈椎病行牵引等治疗无效。查体:颈部活动稍受限,颅N(—),四肢肌力Ⅲ级,双手鱼际肌萎缩,四肢腱反射亢进,右Hpffmann氏征阳性,双巴氏征阴性,感觉正常,入院后查腰穿,脑脊液蛋白0.956g/L:椎管不全梗阻。颈部MR示:延髓及上段颈髓腹侧髓外硬膜下脊膜瘤。颈4.5椎间盘脱出, Case I, female, 52 years old, with neck pain, limb weakness for 7 years, aggravated hospitalization in February, before taking the hospital took a cervical vertebra film showing cervical 5.6 vertebral hyperplasia, cervical CT showed cervical 4.5 disc herniation, according to cervical spondylosis Traction and other treatment is invalid. Physical examination: slightly limited neck activity, cranial N (-), limb muscle strength class III, hands axonal muscle atrophy, quadriplegia reflex hyperactivity, right Hpffmann’s sign positive, double Pakistan’s sign was negative, feeling normal, after admission Lumbar puncture, cerebrospinal fluid protein 0.956g / L: incomplete spinal obstruction. Neck MR showed medulla oblongata and superior cervical spinal cord extramedullary subdural meningioma. Neck 4.5 disc prolapse,